Avalon2: automatic adjust fan speed, using crc16 on job_id compare, turn on the led by API, detect twice when start, remember the last stratum message increase the hashrate, add cutoff option
minion - use descriptive names for the list types
minion - do an early reset to clear the chip status
icarus - tidy up rbox code, remove statics, and add rocketbox
icarus - detect stat should be LOG_DEBUG
Fix an off-by-one.

This caused submitblock to have an undefined byte resulting
in bad block data.
Merge pull request #621 from dajohi/master

Fix an off-by-one.
rbox - add lotsa stats, tidy up a bit more
icarus - timing history in it's own function
merge upstream frequency changes
Merge pull request #6 from jameshilliard/rk

merge upstream frequency changes
Merge branch 'rk' of github.com:kanoi/cgminer into rk
Merge pull request #622 from kanoi/master

MInion and Icarus changes
minion - auto adjust freq
Merge pull request #623 from kanoi/master

minion - auto adjust freq
initialise more pool values in benchmark
Merge pull request #624 from kanoi/master

initialise more pool values in benchmark
minion - 'reset' SPI when getting errors
mutex lock getaddrinfo
Merge pull request #625 from kanoi/master

minion - 'reset' SPI when getting errors & mutex lock getaddrinfo